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Code Editor : lib.php

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * This file contains the moodle hooks for the submission file plugin
 *
 * @package   assignsubmission_file
 * @copyright 2012 NetSpot {@link http://www.netspot.com.au}
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
defined('MOODLE_INTERNAL') || die();

/**
 * Serves assignment submissions and other files.
 *
 * @param mixed $course course or id of the course
 * @param mixed $cm course module or id of the course module
 * @param context $context
 * @param string $filearea
 * @param array $args
 * @param bool $forcedownload
 * @param array $options - List of options affecting file serving.
 * @return bool false if file not found, does not return if found - just send the file
 */
function assignsubmission_file_pluginfile($course,
                                          $cm,
                                          context $context,
                                          $filearea,
                                          $args,
                                          $forcedownload,
                                          array $options=array()) {
    global $DB, $CFG;

if ($context->contextlevel != CONTEXT_MODULE) {
        return false;
    }

require_login($course, false, $cm);
    $itemid = (int)array_shift($args);
    $record = $DB->get_record('assign_submission',
                              array('id'=>$itemid),
                              'userid, assignment, groupid',
                              MUST_EXIST);
    $userid = $record->userid;
    $groupid = $record->groupid;

require_once($CFG->dirroot . '/mod/assign/locallib.php');

$assign = new assign($context, $cm, $course);

if ($assign->get_instance()->id != $record->assignment) {
        return false;
    }

if ($assign->get_instance()->teamsubmission &&
        !$assign->can_view_group_submission($groupid)) {
        return false;
    }

if (!$assign->get_instance()->teamsubmission &&
        !$assign->can_view_submission($userid)) {
        return false;
    }

$relativepath = implode('/', $args);

$fullpath = "/{$context->id}/assignsubmission_file/$filearea/$itemid/$relativepath";

$fs = get_file_storage();
    if (!($file = $fs->get_file_by_hash(sha1($fullpath))) || $file->is_directory()) {
        return false;
    }

// Download MUST be forced - security!
    send_stored_file($file, 0, 0, true, $options);
}

${this.title}

Code Editor : lib.php